1. 5.1 – Rate of Change Textbook pg. 294 Objective:
The student will find rates of change in order to analyze changes in tables and graphs.

2. Rate of change: compares changes in one variable to changes in the other
Rate of change in dependent change in y ∆y Change change in independent change in x ∆x
= = =
1) Find the rate of change between intervals. Between what years did the cost rise the most?
Year
Cost 22¢ 25¢ ¢ ¢ 37¢

3. 2) Find the rate of change between each interval

4. 3) Find the rate of change between each interval
3) Find the rate of change between each interval. Time Distance *When rate of change is CONSTANT for ALL intervals, it is called SLOPE and means it is a LINEAR FUNCTION!

5. Name Date Period 5.1 – pg. half sheet